MUSKEGON, MI – A 46-year-old man was seriously injured when the motorcycle he was on Sunday night was struck by a vehicle at a Muskegon intersection, police said.

Police say the man suffered a life-threatening head injury around 11 p.m. on Sept. 1 at the intersection of Seaway Drive and Sherman Boulevard and was transported to a Muskegon hospital where he was listed in critical condition Tuesday, according to a hospital official.

The 16-year-old female driver of a vehicle that struck the motorcyclist told police that she accidentally rear-ended the man's motorcycle at the intersection.

The girl said she thought the motorcyclist was going to go through the yellow light, but could not stop in time when she realized the man was stopping for the light, police said.

The man was transported from the scene to the hospital by ambulance. He was not wearing a helmet at the time of the crash, police said.

The investigation is ongoing. Anyone who may have witnessed the crash is asked to contact the Muskegon Police Department at (231) 724-6750.